Hybrid power plants combine different technologies (such as solar, wind, hydroelectric, and geothermal) and storage systems to make energy production more efficient and consistent. By integrating multiple sources into a single infrastructure, land use is reduced and costs are. It explores the combined production of hydro, solar and wind, for the best challenge of energy storage flexibility, reliability and sustainability. Mathematical simulations of hybrid solutions are developed together with different operating principles and restrictions. An electrical generating. The hybrid energy system of hydro-powers, pumped storages and renewable energies has become a new topic direction in modern power system developments. Given that traditional complementarity research can only assess the.